Lost Kid

Question: The police found a lost kid. He is too young to talk and can't say where his parents are. Three people came claiming they were the kid's parent. They were allowed to spend 2 minutes alone with the boy. The policemen were watching them through the window. Claiming parent 1: A woman with chocolate, a burger, and fries feeding the little kid. Claiming parent 2: "Where were you, I have been looking for you everywhere!?" Claiming parent 3: "Look it's your favorite car!" Who is the criminal?

Question: People see through me, but none pass through without killing me. I can be anywhere, and can be seen double or single. What am I?

Question: What can be broken but never forgotten?

Question: Which thing that comes once in a year, twice in a week?

Question: You are trying to get your chicken, fox, and wheat to the barn. However, the barn is on the other side of the river. You are on a boat and can only transport one animal or wheat at a time. You must choose carefully not to leave the wrong two together, though. It's either the fox will eat the chicken or the chicken will eat the wheat. How do you take each thing across safely?

Question: During what month do people sleep the least?